Influence of ester group size in polymethacrylates (PMAs), including PMMA , PEMA and PBMA , on β phase crystallization of poly(vinylidene fluoride) (PVF 2 ) in highly oriented films of PVF 2 /PMAs=80/20 blends has been investigated by FTIR and TEM. The melt-drawn films of pure PVF 2...
And the decomposition of ester group under alkaline condition was verified by FTIR and 1 HNMR. The results indicated that the synthesized VEA could plasticize cement paste, and the reason was that VEA could be adsorbed by cement grains and act as the same role as the first-generation super-...
A new kind of ester-group functionalized ionic liquid,3-methyl-1-ethoxycarbonylmethyl imidazolium tetrafluoroborate,is synthesized through a typical two-step way and the products are characterized by 1H NMR,FTIR and elemental analysis. 通过两步法合成了含酯基官能团的咪唑类离子液体1-乙酸乙酯基-3-甲基...
Using DMA and FTIR instrumental characterization, it was confirmed that the recycling strategy did not affect the chemical structure and mechanical properties of the material [47]. Furthermore, under mild basic conditions, the presence of phosphate groups in the networks conferred higher degradability....
The polyols and TPEs synthesized were characterized using FTIR, NMR, GPC, DSC, and polarized optical microscopy. The polyols showed a profound odd-even effect on the melting (T m ) and glass transition temperatures (T g ). Polyols with odd numbers of methylene groups in the alkylene units ...
Thus the silane treatment process induced NH functional group, which possibly bond with free OH groups of resin and form covalent bonds during composite making process. Fig. 5 a, b FESEM image of Tamarind shell powder and roasted chick peas husk powder, c BET analysis and d FTIR spectra of...
The ester polymerizabilities decreased with increasing substituent bulkiness. FTIR spectra showed ca 30 to 93% cyclic units depending on the concentration of the monomer used in polymerizations. DSC thermograms showed that alkyl group size had lit 展开 ...
Synthesis of Radiation Curable Palm Oil-Based Epoxy Acrylate: NMR and FTIR Spectroscopic Investigations EPOP was acrylated by acrylic acid via a ring opening reaction. The kinetics of the acrylation reaction were monitored throughout the reaction course and ... AM Salih,M Bin Ahmad,NA Ibrahim,....
Finally, the presence of relevant functional groups in MUDA-AuNP and NHS-AuNP was analyzed using an Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR, Perkin Elmer Spectrum 2, USA) instrument. The samples were air-dried and measured in ambient conditions. 3. Results & discussion...
Finally, the presence of relevant functional groups in MUDA-AuNP and NHS-AuNP was analyzed using an Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR, Perkin Elmer Spectrum 2, USA) instrument. The samples were air-dried and measured in ambient conditions. 3. Results & discussion...